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Add a nav bar to all templates

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3 2029
执笔经年
执笔经年 2021-02-13 14:20

I want to show a nav bar on every page. In PHP, I would write the nav bar then include it on the other pages. I tried to include or extend the nav bar template into the other

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  • 不知归路
    2021-02-13 14:37

    You can include the nav bar in every page.

    nav.html

    <style>
    body {
        margin: 0;
        padding: 0;
    }

    div{
        background: #333;
        color: #f9f9f9;
        width: 100%;
        height: 50px;
        line-height: 50px;
        text-align: center;
    }
</style>

<div>NAVBAR</div>

    layout.html: note the {% include 'nav.html' %}

    <!doctype html>
<html>
    <body>
    {% include 'nav.html' %}

    {% block content %}
    {% endblock %}
    </body>
</html>

    index.html

    {% extends "layout.html" %}

{% block content %}
    <h1>This is the homepage!</h1>
{% endblock %}

    sometimes, it is a good way to design you web page. You break you page to, for example: head.html, nav.html, footer.html... you can include them in the layout.html to use them.

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  • 鱼传尺愫
    2021-02-13 14:54

    Create a base template with the layout and naviagation that will be common to all pages. Then extend this template to create the actual pages. Add blocks to the base template that can be overriden in the others.

    base.html

    <!doctype html>
<html>
    <head>
        <meta charset="utf-8"/>
        <title>{% block title %} - My Site {% endblock %}</title>
    </head>
    <body>
        <div>Navbar</div>
        {% block content %}{% endblock %}
    </body>
</html>

    index.html

    {% extends 'base.html' %}

{% block content %}
<h3>{% block title %}Home{% endblock %}</h3>
<p>Hello, World!</p>
{% endblock %}

    Note that the navbar is just defined in the base template. It does not need a block, and the content from the child templates will be substituded in after it.

    You can use a similar technique to control which item is highlighted in a navigation bar.

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  • 無奈伤痛
    2021-02-13 14:56

    If you want to use the same navbar in every page, you don't need the {% block navbar %}...{% endblock %} in layout.html. Alternatively, you might have to use {{ super() }} as described here.

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